package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    List<ShoppingCart> selectByEntity(ShoppingCart shoppingCart);


    @Insert("insert into shopping_cart (name,image,user_id,dish_id,setmeal_id,dish_flavor,number,amount,create_time) "+
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})" )
    void insert(ShoppingCart shoppingCart);

    void updateById(ShoppingCart shoppingCart);

    @Select("select * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> selectById(Long userId);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanById(Long userId);

    
    void sub(ShoppingCart shoppingCart);

    Long selectNum(ShoppingCart shoppingCart);

    void subOneById(ShoppingCart shoppingCart);
}
